21320954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12527}}^1$

素因数の和:12589

約数の個数: 16

約数和(自身を含む): 34276608

約数和(自身を除く): 12955654

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12527, 25054, 288121, 463499, 576242, 926998, 10660477, 21320954]

約数ペア:

[(1, 21320954), (2, 10660477), (23, 926998), (37, 576242), (46, 463499), (74, 288121), (851, 25054), (1702, 12527)]